mcs/class/Mono.Security/Mono.Security.Protocol.Tls/HttpsClientStream.cs

   1 //
   2 // HttpsClientStream.cs: Glue between HttpWebRequest and SslClientStream to
   3 //      reduce reflection usage.
   4 //
   5 // Author:
   6 //      Sebastien Pouliot  <sebastien@ximian.com>
   7 //
   8 // Copyright (C) 2004-2005 Novell, Inc. (http://www.novell.com)
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining
  11 // a copy of this software and associated documentation files (the
  12 // "Software"), to deal in the Software without restriction, including
  13 // without limitation the rights to use, copy, modify, merge, publish,
  14 // distribute, sublicense, and/or sell copies of the Software, and to
  15 // permit persons to whom the Software is furnished to do so, subject to
  16 // the following conditions:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28 //
  29
  30 using System;
  31 using System.IO;
  32 using System.Net;
  33 using System.Security.Cryptography.X509Certificates;
  34
  35 namespace Mono.Security.Protocol.Tls {
  36
  37         // Note: DO NOT REUSE this class - instead use SslClientStream
  38
  39         internal class HttpsClientStream : SslClientStream {
  40
  41                 private HttpWebRequest _request;
  42                 private int _status;
  43
  44                 public HttpsClientStream (Stream stream, X509CertificateCollection clientCertificates,
  45                                         HttpWebRequest request, byte [] buffer)
  46                         : base (stream, request.RequestUri.Host, false, SecurityProtocolType.Default, clientCertificates)
  47                 {
  48                         // this constructor permit access to the WebRequest to call
  49                         // ICertificatePolicy.CheckValidationResult
  50                         _request = request;
  51                         _status = 0;
  52                         if (buffer != null)
  53                                 InputBuffer.Write (buffer, 0, buffer.Length);
  54 #if !NET_1_0
  55                         // also saved from reflection
  56                         base.CheckCertRevocationStatus = ServicePointManager.CheckCertificateRevocationList;
  57 #endif
  58                 }
  59
  60                 public bool TrustFailure {
  61                         get {
  62                                 switch (_status) {
  63                                 case -2146762486: // CERT_E_CHAINING            0x800B010A
  64                                 case -2146762487: // CERT_E_UNTRUSTEDROOT       0x800B0109
  65                                         return true;
  66                                 default:
  67                                         return false;
  68                                 }
  69                         }
  70                 }
  71
  72                 internal override bool RaiseServerCertificateValidation (X509Certificate certificate, int[] certificateErrors)
  73                 {
  74                         bool failed = (certificateErrors.Length > 0);
  75                         // only one problem can be reported by this interface
  76                         _status = ((failed) ? certificateErrors [0] : 0);
  77
  78                         if (ServicePointManager.CertificatePolicy != null) {
  79                                 ServicePoint sp = _request.ServicePoint;
  80                                 return ServicePointManager.CertificatePolicy.CheckValidationResult (sp, certificate, _request, _status);
  81                         }
  82                         return failed;
  83                 }
  84         }
  85 }